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Central and baroreflex control of heart rate during the wake-sleep cycle in rat
(Sleep, 2001)
Spontaneous fluctuations in Heart Period (HP) and Mean Arterial Pressure (MAP) make it possible to evaluate baroreceptor-heart rate reflex sensitivity (BRS). 30-s sequences of HP and MAP beat-to-beat values were considered ...
Sleep-Dependent Changes in the Coupling Between Heart Period and Arterial Pressure in Newborn Lambs
(Pediatric Research, 2005)
This study assessed whether sleep-dependent changes in the relationship between heart period (HP) and mean arterial pressure (MAP) occur in newborn life. Electrodes for electrocorticographic, electromyographic, and ...
Low-temperature thermodynamics of the asymmetric next-nearest-neighbor Ising model
(Physical Review B, 2000)
Low-temperature thermodynamics of the asymmetric next-nearest-neighbor Ising (ASYNNNI) model is analyzed. It is demonstrated that this model at low temperatures is equivalent to one-dimensional (1D) NN Ising model in zero ...
Amplitude and frequency dependence of the Shapiro steps in the dc- and ac-driven overdamped Frenkel-Kontorova model
(Physical Review E, 2007)
The amplitude and frequency dependence of dynamical mode locking phenomena in the dc- and ac-driven overdamped Frenkel-Kontorova model is studied by molecular-dynamics simulations. It was found that the Shapiro steps and ...
Noise effects in the ac-driven Frenkel-Kontorova model
(Physical Review E, 2009)
The noise effects on dynamical-mode-locking phenomena in the ac-driven dissipative Frenkel-Kontorova model are studied by molecular-dynamics simulations. It was found that the noise strongly influences the properties of ...